Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Belgium from £21

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Belgium departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to Belgium

Recent return flight deals from the United Kingdom to Belgium

Ryanair Logo
20:30 - 22:55MAN-CRL
1h 25mdirect
Ryanair Logo
19:40 - 20:05CRL-MAN
1h 25mdirect
£38Ryanair
Find Deal
Mon, 6 Oct - Wed, 15 Oct
Ryanair Logo
06:05 - 08:20MAN-CRL
1h 15mdirect
Ryanair Logo
16:30 - 16:55CRL-MAN
1h 25mdirect
£38Ryanair
Find Deal
Fri, 26 Sep - Sat, 27 Sep
Brussels Airlines Logo
06:50 - 08:55LHR-BRU
1h 05mdirect
Brussels Airlines Logo
21:10 - 21:20BRU-LHR
1h 10mdirect
£95Brussels Airlines
Find Deal
Sat, 29 Nov - Sun, 30 Nov
British Airways Logo
07:45 - 09:55LHR-BRU
1h 10mdirect
British Airways Logo
19:55 - 20:05BRU-LHR
1h 10mdirect
£96British Airways
Find Deal
Sat, 27 Sep - Sat, 4 Oct
British Airways Logo
14:25 - 16:40LHR-BRU
1h 15mdirect
British Airways Logo
17:30 - 17:45BRU-LHR
1h 15mdirect
£97British Airways
Find Deal
Mon, 27 Oct - Sun, 2 Nov
Brussels Airlines Logo
11:10 - 13:35MAN-BRU
1h 25mdirect
Brussels Airlines Logo
21:15 - 21:35BRU-MAN
1h 20mdirect
£99Brussels Airlines
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Lufthansa Logo
08:45 - 13:40LCY-BRU
3h 55m1 stop
Lufthansa Logo
14:25 - 17:40BRU-LCY
4h 15m1 stop
£178Lufthansa
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Lufthansa Logo
17:15 - 22:30LCY-BRU
4h 15m1 stop
Lufthansa Logo
14:25 - 17:40BRU-LCY
4h 15m1 stop
£180Lufthansa
Find Deal
Mon, 9 Feb - Thu, 12 Feb
KLM Logo
07:45 - 14:15LCY-BRU
5h 30m1 stop
KLM Logo
06:15 - 08:10BRU-LCY
2h 55m1 stop
£197KLM
Find Deal
Wed, 24 Dec - Fri, 2 Jan
KLM Logo
09:20 - 14:15LCY-BRU
3h 55m1 stop
KLM Logo
14:45 - 17:20BRU-LCY
3h 35m1 stop
£199KLM
Find Deal
Wed, 24 Dec - Wed, 31 Dec

Lufthansa flights from United Kingdom to Belgium

Our best Lufthansa deals on United Kingdom to Belgium flight tickets
Lufthansa
21 Oct
LCY08:45London City
3h 55m
1 stop
BRU13:40Brussels Bruxelles-National
28 Oct
BRU14:25Brussels Bruxelles-National
4h 15m
1 stop
LCY17:40London City
£178
Find similar
Lufthansa
24 Sept
LCY08:45London City
3h 55m
1 stop
BRU13:40Brussels Bruxelles-National
1 Oct
BRU10:30Brussels Bruxelles-National
6h 55m
1 stop
LCY16:25London City
£208
Find similar

Brussels Airlines flights from United Kingdom to Belgium

Our best Brussels Airlines deals on United Kingdom to Belgium flight tickets
Brussels Airlines
29 Nov
LHR06:50London Heathrow
1h 05m
BRU08:55Brussels Bruxelles-National
30 Nov
BRU21:10Brussels Bruxelles-National
1h 10m
LHR21:20London Heathrow
£95
Find similar
Brussels Airlines
12 Nov
MAN11:10Manchester
1h 25m
BRU13:35Brussels Bruxelles-National
16 Nov
BRU21:15Brussels Bruxelles-National
1h 20m
MAN21:35Manchester
£99
Find similar
Brussels Airlines
28 Nov
MAN06:10Manchester
1h 25m
BRU08:35Brussels Bruxelles-National
1 Dec
BRU21:15Brussels Bruxelles-National
1h 20m
MAN21:35Manchester
£101
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Belgium that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Mon 6/10

20:30-22:55

Nonstop1h 25m

Charleroi Brussels

Wed 15/10

19:40-20:05

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

Fri 26/9

06:05-08:20

Nonstop1h 15m

Charleroi Brussels

Sat 27/9

16:30-16:55

Nonstop1h 25m

£38

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 29/11

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Sun 30/11

21:10-21:20

Nonstop1h 10m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 27/9

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Sat 4/10

19:55-20:05

Nonstop1h 10m

£96

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Mon 27/10

14:25-16:40

Nonstop1h 15m

Brussels Bruxelles-National

Sun 2/11

17:30-17:45

Nonstop1h 15m

£97

ManchesterBrussels

MAN - BRU

MANBRU

Manchester

Wed 12/11

11:10-13:35

Nonstop1h 25m

Brussels Bruxelles-National

Sun 16/11

21:15-21:35

Nonstop1h 20m

£99

LondonBrussels

LCY - BRU

LCYBRU

London City

Tue 21/10

08:45-13:40

1 stop3h 55m

Brussels Bruxelles-National

Tue 28/10

14:25-17:40

1 stop4h 15m

£178

LondonBrussels

LCY - BRU

LCYBRU

London City

Mon 9/2

17:15-22:30

1 stop4h 15m

Brussels Bruxelles-National

Thu 12/2

14:25-17:40

1 stop4h 15m

£180

LondonBrussels

LCY - BRU

LCYBRU

London City

Wed 24/12

07:45-14:15

1 stop5h 30m

Brussels Bruxelles-National

Fri 2/1

06:15-08:10

1 stop2h 55m

£197

LondonBrussels

LCY - BRU

LCYBRU

London City

Wed 24/12

09:20-14:15

1 stop3h 55m

Brussels Bruxelles-National

Wed 31/12

14:45-17:20

1 stop3h 35m

£199

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belgium from

How to get the cheapest flight ticket from United Kingdom to Belgium

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belgium?

The month of January is, on average, the cheapest month to fly to Belgium from United Kingdom, with most prices found around £102. If you aren’t able to travel during the month of January, then book flights to Belgium from United Kingdom during February instead. Flights to Belgium in February, while not as cheap as those in January, still average around £108.

What is the cheapest day to depart on your flight to Belgium?

The cheapest day to depart from United Kingdom to Belgium is on a Friday when prices can be found for as low as £399. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Sunday is £458.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from United Kingdom to Belgium during this time can be as low as £113. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £455 on average. Flights to Belgium from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United Kingdom to Belgium flight route?

Fly from Manchester to Charleroi Brussels for the best United Kingdom - Belgium flight prices

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from United Kingdom for as low as £99 on momondo.

What cabin class options are available on United Kingdom to Belgium flights?

There are 3 cabin classes available to choose from on United Kingdom to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Belgium flights?

No. A direct flight is the cheapest option for a flight between United Kingdom to Belgium.

Cheap United Kingdom to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Belgium

Best price found

£25

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Belgium

1 airport
The best one-way flight to Belgium from United Kingdom in the past 72 hours is £25. The best return flight deal from United Kingdom to Belgium found on momondo in the last 72 hours is £41.
The fastest flight from United Kingdom to Belgium takes 1h 00m
Direct flights go from United Kingdom to Belgium every day.
There is 1 airport near Belgium: Brussels Bruxelles-National (BRU)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Belgium?

    Prices for flights from United Kingdom to Belgium are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Belgium?

  • How old do you have to be to fly from United Kingdom to Belgium?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The required travel and health documents for your Belgium trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United Kingdom to Belgium?

Best airlines flying from United Kingdom to Belgium

Compare and see reviews for airlines that fly from United Kingdom to Belgium with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.8
5,155 reviews
Search Ryanair flights
RyanairPriceFrom £29Free CancellationRating
6.2
113 reviews
Search Ryanair flights
British AirwaysPriceFrom £84Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Brussels AirlinesPriceFrom £96Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights
KLMPriceFrom £115Free CancellationRating
7.8
1,385 reviews
Search KLM flights
Air FrancePriceFrom £131Free CancellationRating
7.4
1,469 reviews
Search Air France flights
LufthansaPriceFrom £147Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
SWISSPriceFrom £151Free CancellationRating
7.5
1,730 reviews
Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Belgium?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Belgium for you.

Can I find flights from United Kingdom to Belgium with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belgium from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Belgium?

momondo helps you find the best flight between United Kingdom and Belgium by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from United Kingdom to Belgium right now. Can momondo alert me if prices change?

Price alerts on flights to Belgium from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belgium trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Popular Cities in Belgium

Popular flights according to clicks in the last 7 days on momondo
Flights to Brusselsfrom £38
Flights to Ostendfrom £266